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  • 3D Printing Home (3D Geometry Printed in Plastic)

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The NPS Space Systems Academic Group procured in July 2008 through FISC San Diego a Fortus 400mc (link to Fortus web site where product and materials information can be found) rapid prototyping machine through school funds.  The machine employs fused deposition modeling (FDM) for additive manufacturing of three-dimensional parts from computer-aided design (CAD) geometry.  This Wiki is intended to provide information for potential users of the machine.  The 3D printer is open to the NPS community on a cost-reimbursable basis for appropriate activities, e.g. instructional parts, research, and thesis projects.  Interested in producing parts?  Contact Dan Sakoda and provide the following information (login to Wiki required to access link).

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NPS Department or Group:
Project Name:
Principal Investigator:
Research or Instruction:
Material Provided by:
Approx. size (provide units) Length x Width x Height:  

See design tips/suggestions (below).

How does it work?

CAD models are imported in the stereo lithography (.STL) file format to the printer software.  After orienting the part for the build, the software then slices horizontal build planes and creates toolpaths for each slice of the part based on the configuration of the machine and user-selectable parameters.  Once print jobs are generated, another software application is used to arrange them on the build area and send them to the machine. In this way, time can be saved by printing a number of parts, as long as they can fit within the envelope of the machine and the build footprint.

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